DE69803874T2 - Bleichen von chemischem zellstoff und behandlung mit einem komplexbildner - Google Patents
Bleichen von chemischem zellstoff und behandlung mit einem komplexbildnerInfo
- Publication number
- DE69803874T2 DE69803874T2 DE69803874T DE69803874T DE69803874T2 DE 69803874 T2 DE69803874 T2 DE 69803874T2 DE 69803874 T DE69803874 T DE 69803874T DE 69803874 T DE69803874 T DE 69803874T DE 69803874 T2 DE69803874 T2 DE 69803874T2
- Authority
- DE
- Germany
- Prior art keywords
- bleaching
- chlorine dioxide
- pulp
- delignification
- carried out
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 238000004061 bleaching Methods 0.000 title claims abstract description 59
- 229920001131 Pulp (paper) Polymers 0.000 title claims abstract description 6
- 239000008139 complexing agent Substances 0.000 title 1
- OSVXSBDYLRYLIG-UHFFFAOYSA-N dioxidochlorine(.) Chemical compound O=Cl=O OSVXSBDYLRYLIG-UHFFFAOYSA-N 0.000 claims abstract description 112
- 239000004155 Chlorine dioxide Substances 0.000 claims abstract description 56
- 235000019398 chlorine dioxide Nutrition 0.000 claims abstract description 56
- 238000000034 method Methods 0.000 claims abstract description 31
- -1 1,2-dicarboxylethoxy Chemical group 0.000 claims abstract description 16
- 239000000126 substance Substances 0.000 claims abstract description 15
- 229910001385 heavy metal Inorganic materials 0.000 claims abstract description 11
- 229910052748 manganese Inorganic materials 0.000 claims abstract description 8
- 238000011282 treatment Methods 0.000 claims abstract description 6
- 229910052783 alkali metal Inorganic materials 0.000 claims abstract description 5
- KFSLWBXXFJQRDL-UHFFFAOYSA-N Peracetic acid Chemical compound CC(=O)OO KFSLWBXXFJQRDL-UHFFFAOYSA-N 0.000 claims description 33
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 11
- 239000001301 oxygen Substances 0.000 claims description 11
- 229910052760 oxygen Inorganic materials 0.000 claims description 11
- 150000002978 peroxides Chemical class 0.000 claims description 9
- 150000004965 peroxy acids Chemical class 0.000 claims description 8
- 229910052784 alkaline earth metal Inorganic materials 0.000 claims description 7
- 230000009920 chelation Effects 0.000 claims description 6
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 claims description 5
- 229910021653 sulphate ion Inorganic materials 0.000 claims description 5
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 claims description 4
- 239000011122 softwood Substances 0.000 claims description 4
- 239000011121 hardwood Substances 0.000 claims description 2
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 claims 3
- 150000001412 amines Chemical class 0.000 claims 2
- 235000003704 aspartic acid Nutrition 0.000 claims 1
- OQFSQFPPLPISGP-UHFFFAOYSA-N beta-carboxyaspartic acid Natural products OC(=O)C(N)C(C(O)=O)C(O)=O OQFSQFPPLPISGP-UHFFFAOYSA-N 0.000 claims 1
- 229910052742 iron Inorganic materials 0.000 abstract description 6
- 150000001340 alkali metals Chemical class 0.000 abstract description 3
- 150000004697 chelate complex Chemical class 0.000 abstract description 3
- 239000002738 chelating agent Substances 0.000 description 22
- QPCDCPDFJACHGM-UHFFFAOYSA-N N,N-bis{2-[bis(carboxymethyl)amino]ethyl}glycine Chemical compound OC(=O)CN(CC(O)=O)CCN(CC(=O)O)CCN(CC(O)=O)CC(O)=O QPCDCPDFJACHGM-UHFFFAOYSA-N 0.000 description 10
- 239000000203 mixture Substances 0.000 description 10
- 229960003330 pentetic acid Drugs 0.000 description 10
- 239000000460 chlorine Substances 0.000 description 9
- 239000011572 manganese Substances 0.000 description 9
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 8
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 8
- 229910052801 chlorine Inorganic materials 0.000 description 8
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 7
- 229910052751 metal Inorganic materials 0.000 description 6
- 239000002184 metal Substances 0.000 description 6
- 239000002253 acid Substances 0.000 description 5
- 238000002474 experimental method Methods 0.000 description 5
- 150000002739 metals Chemical class 0.000 description 5
- 150000001342 alkaline earth metals Chemical class 0.000 description 4
- 230000009931 harmful effect Effects 0.000 description 4
- 238000004537 pulping Methods 0.000 description 4
- KCXVZYZYPLLWCC-UHFFFAOYSA-N EDTA Chemical compound OC(=O)CN(CC(O)=O)CCN(CC(O)=O)CC(O)=O KCXVZYZYPLLWCC-UHFFFAOYSA-N 0.000 description 3
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 3
- 239000011575 calcium Substances 0.000 description 3
- 150000001720 carbohydrates Chemical class 0.000 description 3
- 235000014633 carbohydrates Nutrition 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 3
- 239000011777 magnesium Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 235000018185 Betula X alpestris Nutrition 0.000 description 2
- 235000018212 Betula X uliginosa Nutrition 0.000 description 2
- 230000002378 acidificating effect Effects 0.000 description 2
- 239000003513 alkali Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000007844 bleaching agent Substances 0.000 description 2
- 229910052791 calcium Inorganic materials 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 2
- 239000013522 chelant Substances 0.000 description 2
- 238000010668 complexation reaction Methods 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 238000006731 degradation reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229910052749 magnesium Inorganic materials 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- 241000209504 Poaceae Species 0.000 description 1
- 238000001311 chemical methods and process Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 230000000593 degrading effect Effects 0.000 description 1
- 230000001627 detrimental effect Effects 0.000 description 1
- 230000029087 digestion Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000009897 hydrogen peroxide bleaching Methods 0.000 description 1
- 238000002386 leaching Methods 0.000 description 1
- 229920005610 lignin Polymers 0.000 description 1
- 238000009896 oxidative bleaching Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000002203 pretreatment Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
- 238000004383 yellowing Methods 0.000 description 1
Classifications
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
- D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
- D21C9/10—Bleaching ; Apparatus therefor
- D21C9/16—Bleaching ; Apparatus therefor with per compounds
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
- D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
- D21C9/10—Bleaching ; Apparatus therefor
- D21C9/1026—Other features in bleaching processes
- D21C9/1042—Use of chelating agents
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
- D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
- D21C9/10—Bleaching ; Apparatus therefor
- D21C9/1057—Multistage, with compounds cited in more than one sub-group D21C9/10, D21C9/12, D21C9/16
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
- D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
- D21C9/10—Bleaching ; Apparatus therefor
- D21C9/12—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds
- D21C9/14—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds with ClO2 or chlorites
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Paper (AREA)
- Detergent Compositions (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
- Adhesives Or Adhesive Processes (AREA)
- Materials For Medical Uses (AREA)
- Silver Salt Photography Or Processing Solution Therefor (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FI974221A FI105214B (fi) | 1997-11-13 | 1997-11-13 | Tehostettu kemiallisen massan valkaisumenetelmä |
| PCT/FI1998/000887 WO1999025919A1 (fi) | 1997-11-13 | 1998-11-13 | Enhanced process for the bleaching of chemical pulp_____________ |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE69803874D1 DE69803874D1 (de) | 2002-03-21 |
| DE69803874T2 true DE69803874T2 (de) | 2002-08-29 |
Family
ID=8549932
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE69803874T Expired - Lifetime DE69803874T2 (de) | 1997-11-13 | 1998-11-13 | Bleichen von chemischem zellstoff und behandlung mit einem komplexbildner |
Country Status (11)
| Country | Link |
|---|---|
| US (1) | US6331192B1 (fi) |
| EP (1) | EP1030943B1 (fi) |
| AT (1) | ATE213290T1 (fi) |
| AU (1) | AU1236599A (fi) |
| CA (1) | CA2310038C (fi) |
| DE (1) | DE69803874T2 (fi) |
| ES (1) | ES2172240T3 (fi) |
| FI (1) | FI105214B (fi) |
| ID (1) | ID25541A (fi) |
| PT (1) | PT1030943E (fi) |
| WO (1) | WO1999025919A1 (fi) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FI106258B (fi) | 1998-03-09 | 2000-12-29 | Kemira Chemicals Oy | Menetelmiä N-bis-[2-(1,2-dikarboksi-etoksi)-etyyli]amiinijohdannaisen valmistamiseksi sekä menetelmien tuotteet ja niiden käytöt |
| EP1086944B1 (en) | 1999-09-03 | 2005-05-25 | Nippon Shokubai Co., Ltd. | Amino acid derivative composition and process for producing an amino acid derivative |
| FI123102B (fi) * | 2006-03-31 | 2012-11-15 | Laennen Tutkimus Western Res Inc Oy | Kemiallisen massan valkaisumenetelmä |
| FI122626B (fi) * | 2006-03-31 | 2012-04-30 | Laennen Tutkimus Western Res Inc Oy | Kemiallisen massan valkaisumenetelmä |
| EP2787120A1 (en) | 2008-06-20 | 2014-10-08 | International Paper Company | Recording sheet with improved optical properties |
| FI123926B (fi) | 2012-04-03 | 2013-12-13 | Upm Kymmene Corp | Menetelmä sellun valkaisemiseksi |
| CN104294613B (zh) * | 2014-08-08 | 2019-08-30 | 广东羽威农业集团有限公司 | 一种高蓬松度的纯白抗菌羽绒及其制备方法 |
| WO2016159403A1 (ko) * | 2015-03-30 | 2016-10-06 | 주식회사 아시아모빌 | 킬레이트 화합물을 이용한 펄프 표백방법 |
| FI128968B (fi) | 2020-03-31 | 2021-04-15 | Chempolis Oy | Selluloosamassan peroksidivalkaisu |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4340043A1 (de) | 1993-11-24 | 1995-06-01 | Henkel Kgaa | Verwendung Stickstoff-haltiger Komplexbildner bei der Holzstoffbleiche |
| SE502706E (sv) | 1994-04-05 | 1999-09-27 | Mo Och Domsjoe Ab | Framställnng av blekt cellulosamassa genom blekning med klordioxid och behandling av komplexbildare i samma steg |
| CA2173824A1 (en) | 1995-04-27 | 1996-10-28 | Brian A. Parker | Ethylenediaminetriacetic acid and salts thereof as chelating agents in pulp bleaching |
| FI112075B (fi) * | 1996-05-30 | 2003-10-31 | Kemira Chemicals Oy | N-bis- tai N-tris-[(1,2-dikarboksyyli-etoksi)-etyyli]amiinijohdannaiset, niiden valmistus ja käyttö |
| FI104572B (fi) | 1996-05-30 | 2000-02-29 | Kemira Chemicals Oy | Menetelmä kemiallisen massan valkaisemiseksi |
-
1997
- 1997-11-13 FI FI974221A patent/FI105214B/fi not_active IP Right Cessation
-
1998
- 1998-11-13 ID IDW20001119A patent/ID25541A/id unknown
- 1998-11-13 ES ES98955593T patent/ES2172240T3/es not_active Expired - Lifetime
- 1998-11-13 DE DE69803874T patent/DE69803874T2/de not_active Expired - Lifetime
- 1998-11-13 US US09/554,331 patent/US6331192B1/en not_active Expired - Fee Related
- 1998-11-13 PT PT98955593T patent/PT1030943E/pt unknown
- 1998-11-13 EP EP98955593A patent/EP1030943B1/en not_active Expired - Lifetime
- 1998-11-13 AT AT98955593T patent/ATE213290T1/de active
- 1998-11-13 CA CA002310038A patent/CA2310038C/en not_active Expired - Fee Related
- 1998-11-13 WO PCT/FI1998/000887 patent/WO1999025919A1/fi active IP Right Grant
- 1998-11-13 AU AU12365/99A patent/AU1236599A/en not_active Abandoned
Also Published As
| Publication number | Publication date |
|---|---|
| CA2310038C (en) | 2008-01-15 |
| US6331192B1 (en) | 2001-12-18 |
| PT1030943E (pt) | 2002-07-31 |
| FI974221A (fi) | 1999-05-14 |
| FI974221A0 (fi) | 1997-11-13 |
| ES2172240T3 (es) | 2002-09-16 |
| WO1999025919A1 (fi) | 1999-05-27 |
| DE69803874D1 (de) | 2002-03-21 |
| EP1030943B1 (en) | 2002-02-13 |
| ATE213290T1 (de) | 2002-02-15 |
| CA2310038A1 (en) | 1999-05-27 |
| AU1236599A (en) | 1999-06-07 |
| FI105214B (fi) | 2000-06-30 |
| ID25541A (id) | 2000-10-12 |
| EP1030943A1 (en) | 2000-08-30 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8364 | No opposition during term of opposition | ||
| 8327 | Change in the person/name/address of the patent owner |
Owner name: KEMIRA OYJ, HELSINKI, FI |